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| author | Denis Brockus <dbrockus@google.com> | 2021-05-04 15:31:49 -0600 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-05-17 20:39:26 +0000 |
| commit | d68b42b8495c524e9966faf28e6666400e840264 (patch) | |
| tree | b1b83fa25a2693c5c49fd6a729b918446c76bc45 | |
| parent | 9d9bfdae1eea3dcb1c29dd6b39a65e3c795afcb4 (diff) | |
| download | chrome-ec-d68b42b8495c524e9966faf28e6666400e840264.tar.gz | |
zephyr: asurada: Add ADC support
BUG=b:187210461
BRANCH=none
TEST=ec shell "adc"
Signed-off-by: Denis Brockus <dbrockus@google.com>
Change-Id: Id1915e380389bea8b3eee8d7dc4780609533ab9d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2876868
Tested-by: Denis Brockus <dbrockus@chromium.org>
Auto-Submit: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Yuval Peress <peress@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Commit-Queue: Yuval Peress <peress@chromium.org>
| -rw-r--r-- | zephyr/dts/bindings/adc/named-adc.yaml | 5 | ||||
| -rw-r--r-- | zephyr/projects/asurada/boards/riscv/asurada/asurada.dts | 35 | ||||
| -rw-r--r-- | zephyr/projects/asurada/hayato/prj.conf | 6 |
3 files changed, 44 insertions, 2 deletions
diff --git a/zephyr/dts/bindings/adc/named-adc.yaml b/zephyr/dts/bindings/adc/named-adc.yaml index 53d43f2a1b..fa9f9733cc 100644 --- a/zephyr/dts/bindings/adc/named-adc.yaml +++ b/zephyr/dts/bindings/adc/named-adc.yaml @@ -89,9 +89,12 @@ child-binding: Enum values used in the source code to refer to the ADC channels enum: - ADC_AMON_BMON - - ADC_VBUS + - ADC_BOARD_ID_0 + - ADC_BOARD_ID_1 + - ADC_PMON - ADC_PSYS - ADC_TEMP_SENSOR_CHARGER - ADC_TEMP_SENSOR_DDR_SOC - ADC_TEMP_SENSOR_FAN - ADC_TEMP_SENSOR_PP3300_REGULATOR + - ADC_VBUS diff --git a/zephyr/projects/asurada/boards/riscv/asurada/asurada.dts b/zephyr/projects/asurada/boards/riscv/asurada/asurada.dts index e1858b1bd5..4cdcb1deab 100644 --- a/zephyr/projects/asurada/boards/riscv/asurada/asurada.dts +++ b/zephyr/projects/asurada/boards/riscv/asurada/asurada.dts @@ -6,6 +6,7 @@ /dts-v1/; #include <cros/ite/it8xxx2.dtsi> +#include <dt-bindings/adc/adc.h> #include <dt-bindings/gpio_defines.h> #include <it8xxx2.dtsi> @@ -19,6 +20,36 @@ zephyr,flash = &flash0; }; + named-adc-channels { + compatible = "named-adc-channels"; + + adc_vbus_c0 { + label = "ADC_VBUS"; + enum-name = "ADC_VBUS"; + channel = <0>; + }; + adc_board_id0 { + label = "ADC_BOARD_ID_0"; + enum-name = "ADC_BOARD_ID_0"; + channel = <1>; + }; + adc_board_id1 { + label = "ADC_BOARD_ID_1"; + enum-name = "ADC_BOARD_ID_1"; + channel = <2>; + }; + adc_charger_amon_r { + label = "ADC_AMON_BMON"; + enum-name = "ADC_AMON_BMON"; + channel = <3>; + }; + adc_charger_pmon { + label = "ADC_PMON"; + enum-name = "ADC_PMON"; + channel = <6>; + }; + }; + named-i2c-ports { compatible = "named-i2c-ports"; @@ -71,6 +102,10 @@ clock-frequency = <1804800>; }; +&adc0 { + status = "okay"; +}; + &i2c0 { /* EC_I2C_PWR_CBI */ status = "okay"; diff --git a/zephyr/projects/asurada/hayato/prj.conf b/zephyr/projects/asurada/hayato/prj.conf index e30ceeecee..625b2c6a61 100644 --- a/zephyr/projects/asurada/hayato/prj.conf +++ b/zephyr/projects/asurada/hayato/prj.conf @@ -7,6 +7,11 @@ CONFIG_PLATFORM_EC=y CONFIG_PLATFORM_EC_BRINGUP=y CONFIG_SHIMMED_TASKS=y +# ADC Driver +CONFIG_ADC_ITE_IT8XXX2=y +CONFIG_PLATFORM_EC_ADC=y +CONFIG_PLATFORM_EC_ADC_RESOLUTION=10 + # Flash CONFIG_PLATFORM_EC_FLASH_CROS=y @@ -16,7 +21,6 @@ CONFIG_PLATFORM_EC_I2C=y # TODO(b/180980668): bring these features up CONFIG_LTO=n -CONFIG_PLATFORM_EC_ADC=n CONFIG_PLATFORM_EC_BACKLIGHT_LID=n CONFIG_PLATFORM_EC_BOARD_VERSION=n CONFIG_PLATFORM_EC_CONSOLE_CMD_SYSINFO=n |